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Some Remarks on Equivalence of Moduli of Smoothness
Authors:Guanzhen Zhou  Songping Zhou
Institution:a Department of Mathematics, Ningbo University, Ningbo, Zhejiang, 315211, China;The Mathematical Institute, Ningbo University, Ningbo, Zhejiang, 315211, Chinaf1
Abstract:The present paper investigates polynomials for which the inverse inequality for moduli of smoothness holds. The technique for approach is different from the previous works for splines and is elegantly organized.
Keywords:equivalence  modulus of smoothness  polynomial
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